Date: Wed, 11 Sep 1996 22:59:51 +0200 From: Poul-Henning Kamp <phk@critter.tfs.com> To: dyson@FreeBSD.org Cc: bde@zeta.org.au (Bruce Evans), dyson@dyson.iquest.net, current@FreeBSD.org, dg@Root.COM, kato@eclogite.eps.nagoya-u.ac.jp Subject: Re: patch for Cyrix/Ti 486SLC/DLC CPU bug Message-ID: <4574.842475591@critter.tfs.com> In-Reply-To: Your message of "Wed, 11 Sep 1996 15:50:45 CDT." <199609112050.PAA00852@dyson.iquest.net>
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In message <199609112050.PAA00852@dyson.iquest.net>, John Dyson writes: >> I would put this in cpufunc.h since it is a single instruction and >> might be useful elsewhere. Is it reasonable for device drivers to >> invalidate pages directly? >> >It is unreasonable (IMO) but unavoidable if the system doesn't provide >a needed service. It is difficult to imagine a machine independent >reason to do a pmap_update (but I guess that it might be possible.) >So, to kind-of answer your comment -- I will put it in cpufunc, but >the only module that should normally need it would be pmap.c??? Not to mention bootblocks & locore.s... -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@ref.tfs.com TRW Financial Systems, Inc. Future will arrive by its own means, progress not so.
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